Home / 803,064,278.80-1,204,355,189.40-285,426,672.40

Finding the Fourth Proportional to 803,064,278.80, 1,204,355,189.40 and 285,426,672.40

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Solution

The fourth proportional to 803,064,278.80, 1,204,355,189.40 and 285,426,672.40 is: 428,054,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,064,278.80 : 1,204,355,189.40 = 285,426,672.40 : x
  2. Step 2: Convert to fraction form
    803,064,278.80/1,204,355,189.40 = 285,426,672.40/x
  3. Step 3: Cross multiply
    803,064,278.80x = 1,204,355,189.40 × 285,426,672.40
  4. Step 4: Simplify right side
    803,064,278.80x = 343,755,094,098,113,728
  5. Step 5: Solve for x
    x = 343,755,094,098,113,728/803,064,278.80
  6. Step 6: Final answer
    x = 428,054,270.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.